<template>
    <div class="task-list-container">
        <!-- 搜索筛选区域 -->
        <div class="search-section">
            <el-card shadow="never" class="search-card">
                <div class="search-content">
                    <div class="search-left">
                        <el-form :model="searchForm" :inline="true" class="search-form">
                            <el-form-item label="任务名称:">
                                <el-input 
                                    v-model="searchForm.taskName" 
                                    placeholder="输入任务名称" 
                                    clearable
                                    style="width: 200px"
                                />
                            </el-form-item>
                            <el-form-item label="语言:">
                                <el-select 
                                    v-model="searchForm.language" 
                                    placeholder="请选择语言" 
                                    clearable
                                    style="width: 150px"
                                >
                                    <el-option label="中文" value="zh-CN" />
                                    <el-option label="英文" value="en-US" />
                                </el-select>
                            </el-form-item>
                        </el-form>
                    </div>
                    <div class="search-right">
                        <el-button type="primary" @click="handleSearch">查询结果</el-button>
                        <el-button @click="handleReset">重置</el-button>
                    </div>
                </div>
            </el-card>
        </div>

        <!-- 新增按钮区域 -->
        <div class="add-button-section">
            <el-button type="primary" @click="handleAdd">新增任务</el-button>
        </div>

        <!-- 数据表格区域 -->
        <div class="table-section">
            <el-card shadow="never" class="table-card">
                <el-table 
                    :data="tableData" 
                    v-loading="loading"
                    stripe
                    border
                    style="width: 100%"
                >
                    <el-table-column type="index" label="序号" width="80" align="center" />
                    <el-table-column prop="taskName" label="任务名称" width="150" />
                    <el-table-column prop="taskCode" label="任务编码" width="120" />
                    <el-table-column prop="taskType" label="任务类型" width="120" align="center">
                        <template #default="{ row }">
                            <el-tag :type="getTaskTypeTagType(row.taskType)">
                                {{ getTaskTypeText(row.taskType) }}
                            </el-tag>
                        </template>
                    </el-table-column>
                    <el-table-column prop="completionQuantity" label="完成数量" width="100" align="center" />
                    <el-table-column prop="rewardTypeName" label="奖励类型" width="120" align="center" />
                    <el-table-column prop="taskDescription" label="任务描述" min-width="200" />
                    <el-table-column prop="language" label="语言" width="80" align="center">
                        <template #default="{ row }">
                            <el-tag :type="row.language === 'zh-CN' ? 'primary' : 'success'">
                                {{ row.language === 'zh-CN' ? '中文' : '英文' }}
                            </el-tag>
                        </template>
                    </el-table-column>
                    <el-table-column prop="isTimeLimited" label="时间限制" width="100" align="center">
                        <template #default="{ row }">
                            <el-tag :type="row.isTimeLimited ? 'warning' : 'info'">
                                {{ row.isTimeLimited ? '是' : '否' }}
                            </el-tag>
                        </template>
                    </el-table-column>
                    <el-table-column prop="startTime" label="开始时间" width="180">
                        <template #default="{ row }">
                            {{ formatTime(row.startTime) }}
                        </template>
                    </el-table-column>
                    <el-table-column prop="endTime" label="结束时间" width="180">
                        <template #default="{ row }">
                            {{ formatTime(row.endTime) }}
                        </template>
                    </el-table-column>
                    <el-table-column label="操作" width="200" align="center" fixed="right">
                        <template #default="{ row }">
                            <el-button type="primary" size="small" @click="handleEdit(row)">编辑</el-button>
                            <el-button type="danger" size="small" @click="handleDelete(row)">删除</el-button>
                        </template>
                    </el-table-column>
                </el-table>
            </el-card>
        </div>

        <!-- 分页区域 -->
        <div class="pagination-section">
            <el-card shadow="never" class="pagination-card">
                <div class="pagination-content">
                    <div class="pagination-info">
                        <span>总共{{ pagination.total }}条记录,当前在第{{ pagination.current }}页</span>
                    </div>
                    <el-pagination
                        v-model:current-page="pagination.current"
                        :page-size="pagination.size"
                        :total="pagination.total"
                        :page-sizes="[10, 20, 50, 100]"
                        layout="prev, pager, next, jumper"
                        @current-change="handlePageChange"
                        @size-change="handleSizeChange"
                    />
                </div>
            </el-card>
        </div>
    </div>
</template>

<script setup lang="ts">
import { ref, reactive, onMounted } from 'vue';
import { formatTime } from '@/utils/time';
import { useRouter } from 'vue-router';
import { ElMessage, ElMessageBox } from 'element-plus';
import { Task, TaskQueryParams } from '@/types/task';
import { getTaskPage, deleteTask } from '@/api/system/task';

const router = useRouter();

// 搜索表单
const searchForm = reactive({
    language: '',
    taskName: '',
    taskType: null as number | null
});

// 表格数据
const loading = ref(false);
const tableData = ref<Task[]>([]);

// 分页数据
const pagination = reactive({
    current: 1,
    size: 10,
    total: 0
});

// 获取任务列表数据
const getData = async () => {
    loading.value = true;
    try {
        const params: TaskQueryParams = {
            current: pagination.current,
            size: pagination.size,
            ...(searchForm.taskName && { taskName: searchForm.taskName }),
            ...(searchForm.language && { language: searchForm.language }),
            ...(searchForm.taskType !== null && { taskType: searchForm.taskType })
        };
        
        console.log('请求参数:', params);
        
        const res = await getTaskPage(params);
        console.log('API响应:', res);
        
        const responseData = res as any;
        if (responseData && responseData.code === 200 && responseData.data) {
            tableData.value = responseData.data.records || responseData.data.list || [];
            pagination.total = responseData.data.total || responseData.data.pageTotal || 0;
            
            if (tableData.value.length === 0) {
                ElMessage.info('暂无任务数据');
            }
        } else {
            const errorMsg = (responseData && (responseData.msg || responseData.message)) || '获取任务数据失败';
            ElMessage.error(errorMsg);
            tableData.value = [];
            pagination.total = 0;
        }
    } catch (error) {
        console.error('获取任务数据失败:', error);
        ElMessage.error('网络错误，请稍后重试');
        tableData.value = [];
        pagination.total = 0;
    } finally {
        loading.value = false;
    }
};

// 搜索方法
const handleSearch = () => {
    pagination.current = 1;
    getData();
};

// 重置搜索
const handleReset = () => {
    searchForm.language = '';
    searchForm.taskName = '';
    searchForm.taskType = null;
    pagination.current = 1;
    getData();
};

// 分页方法
const handlePageChange = (page: number) => {
    pagination.current = page;
    getData();
};

const handleSizeChange = (size: number) => {
    pagination.size = size;
    pagination.current = 1;
    getData();
};

// 新增任务
const handleAdd = () => {
    router.push('/task-form');
};

// 编辑任务
const handleEdit = (row: any) => {
    router.push(`/task-form/${row.id}`);
};

// 删除任务
const handleDelete = async (row: Task) => {
    try {
        await ElMessageBox.confirm(
            `确定要删除任务 "${row.taskName}" 吗？`,
            '删除确认',
            {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning',
            }
        );
        
        loading.value = true;
        const res = await deleteTask(row.id);
        const responseData = res as any;
        
        if (responseData && responseData.code === 200) {
            ElMessage.success('删除成功');
            getData(); // 刷新列表
        } else {
            const errorMsg = (responseData && responseData.msg) || '删除失败';
            ElMessage.error(errorMsg);
        }
        
    } catch (error) {
        if (error !== 'cancel') {
            console.error('删除任务失败:', error);
            ElMessage.error('删除失败，请稍后重试');
        }
    } finally {
        loading.value = false;
    }
};



// 获取任务类型文本
const getTaskTypeText = (taskType: number) => {
    const typeMap: { [key: number]: string } = {
        1: '浏览文章',
        2: '观看视频',
        3: '购买商品',
        4: '购买服务',
        5: '邀请',
        6: '签到'
    };
    return typeMap[taskType] || '未知';
};

// 获取任务类型标签类型
const getTaskTypeTagType = (taskType: number) => {
    const typeMap: { [key: number]: string } = {
        1: 'primary',
        2: 'success',
        3: 'warning',
        4: 'danger',
        5: 'info',
        6: ''
    };
    return typeMap[taskType] || 'info';
};

// 页面初始化
onMounted(() => {
    getData();
});
</script>

<style scoped>
.task-list-container {
    padding: 20px;
}

/* 搜索区域 */
.search-section {
    margin-bottom: 20px;
}

/* 新增按钮区域 */
.add-button-section {
    margin-bottom: 20px;
    display: flex;
    justify-content: flex-start;
}

.search-card {
    border-radius: 8px;
}

.search-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-form {
    margin: 0;
}

.search-form .el-form-item {
    margin-bottom: 0;
}

.search-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 表格区域 */
.table-section {
    margin-bottom: 20px;
}

.table-card {
    border-radius: 8px;
}

/* 分页区域 */
.pagination-section {
    margin-bottom: 20px;
}

.pagination-card {
    border-radius: 8px;
}

.pagination-content {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    gap: 20px;
    align-items: center;
}

.pagination-info {
    color: #606266;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .task-list-container {
        padding: 10px;
    }
    
    .search-content {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .search-form {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .pagination-content {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
}
</style>
